Dtc B2427 Can Communication Malfunction

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Lighting (Ext). Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC

CHECK VEHICLE TYPE

CHECK CAN COMMUNICATION SYSTEM

CHECK CAN COMMUNICATION SYSTEM

DTC B2427 CAN Communication Malfunction


DESCRIPTION

The headlight swivel ECU sends and receives data to and from various ECUs via CAN communication.

DTC Code
DTC Detection Condition
Trouble Area
B2427
CAN communication malfunction between the headlight swivel ECU and other ECUs.
  1. CAN communication system
  2. Headlight swivel ECU assembly

INSPECTION PROCEDURE

NOTICE:
After replacing the headlight swivel ECU, initialization of the ECU is necessary (Click here).
1.CHECK FOR DTC

  1. Clear the DTCs (Click here).

  1. Check for DTCs (Click here).

    OK:
    DTC B2427 output does not occur.


NG
Go to step 3
OK

USE SIMULATION METHOD TO CHECK (Click here)

2.CHECK VEHICLE TYPE

  1. Check the vehicle type.

    Result
    Result
    		Proceed to
    for LHD
    		A
    for RHD
    		B



B
Go to step 4
A


3.CHECK CAN COMMUNICATION SYSTEM

  1. for LHD with Central Gateway ECU:

    1. Perform a CAN communication system inspection (Click here).

  1. for LHD without Central Gateway ECU:

    1. Perform a CAN communication system inspection (Click here).

      OK:
      The CAN communication system is normal.
      Result
      Result
      		Proceed to
      OK
      		A
      NG (for LHD with Central Gateway ECU)
      		B
      NG (for LHD without Central Gateway ECU)
      		C


B
GO TO CAN COMMUNICATION SYSTEM (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (Click here)
A

REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY (Click here)

4.CHECK CAN COMMUNICATION SYSTEM

  1. for RHD with Central Gateway ECU

    1. Perform a CAN communication system inspection (Click here).

  1. for RHD without Central Gateway ECU

    1. Perform a CAN communication system inspection (Click here).

      OK:
      The CAN communication system is normal.
      Result
      Result
      		Proceed to
      OK
      		A
      NG (for RHD with Central Gateway ECU)
      		B
      NG (for RHD without Central Gateway ECU)
      		C


B
GO TO CAN COMMUNICATION SYSTEM (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (Click here)
A

REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY (Click here)